Apple‘s iPhones run the iOS mobile operating system. The software, which was first debuted with the original iPhone in 2007, has remained a feature of every iPhone issued since, and it continues to serve as the foundation for other Apple operating systems such as iPadOS, tvOS, and watchOS.
Apple’s App Store is the heart of its iOS mobile operating system, with over 2 million programs tailored for the platform currently available in the company’s virtual marketplace.
iOS versions are introduced on an annual basis, usually ahead of new iPhone releases, with iOS 17 set to replace iOS 16 in September 2023.
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